Home / 923,746.80-1,385,425.80-391,285.20

Finding the Fourth Proportional to 923,746.80, 1,385,425.80 and 391,285.20

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Solution

The fourth proportional to 923,746.80, 1,385,425.80 and 391,285.20 is: 586,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,746.80 : 1,385,425.80 = 391,285.20 : x
  2. Step 2: Convert to fraction form
    923,746.80/1,385,425.80 = 391,285.20/x
  3. Step 3: Cross multiply
    923,746.80x = 1,385,425.80 × 391,285.20
  4. Step 4: Simplify right side
    923,746.80x = 542,096,611,238.16
  5. Step 5: Solve for x
    x = 542,096,611,238.16/923,746.80
  6. Step 6: Final answer
    x = 586,845.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.